<?php  
 // 作用取得客户端的ip、地理信息、浏览器http://blog.qita.in  
 class get_gust_info {   
  ////获得访客真实ip  
  function Getip(){  
   if(!empty($_SERVER["HTTP_CLIENT_IP"])){     
      $ip = $_SERVER["HTTP_CLIENT_IP"];  
   }  
   if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){ //获取代理ip  
    $ips = explode(',',$_SERVER['HTTP_X_FORWARDED_FOR']);  
   }  
   if($ip){  
      $ips = array_unshift($ips,$ip);   
   }  
     
   $count = count($ips);  
   for($i=0;$i<$count;$i++){     
     if(!preg_match("/^(10|172\.16|192\.168)\./i",$ips[$i])){//排除局域网ip  
      $ip = $ips[$i];  
      break;      
      }    
   }    
   $tip = empty($_SERVER['REMOTE_ADDR']) ? $ip : $_SERVER['REMOTE_ADDR'];   
   if($tip=="127.0.0.1"){ //获得本地真实IP  
      return $this->get_onlineip();     
   }else{  
      return $tip;   
   }  
  }  
    
  ////获得本地真实IP  
  function get_onlineip() {  
      $mip = file_get_contents("http://city.ip138.com/city0.asp");  
       if($mip){  
           preg_match("/
.∗
/",$mip,$sip);  
           $p = array("/\[/","/\]/");  
           return preg_replace($p,"",$sip[0]);  
       }else{return "获取本地IP失败！";}  
   }  
    
  ////根据ip获得访客所在地地名  
  function Getaddress($ip=''){  
   if(empty($ip)){  
       $ip = $this->Getip();      
   }  
   $ipadd = file_get_contents("http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=".$ip);//根据新浪api接口获取  
   if($ipadd){  
    $charset = iconv("gbk","utf-8",$ipadd);     
    preg_match_all("/[\x{4e00}-\x{9fa5}]+/u",$charset,$ipadds);  
      
    return $ipadds;   //返回一个二维数组  
   }else{return "addree is none";}    
  }   
 }  
 $gifo = new get_gust_info();  
 /*echo "你的ip:".$gifo->Getip();  
 echo "<br/>所在地：";  
 $ipadds = $gifo->Getaddress();  
 foreach($ipadds[0] as $value){  
     //echo "\r\n    ".iconv("utf-8","gbk",$value);      
    echo "\r\n" . $value;  
 } */
?>  